12311232524 has 24 divisors (see below), whose sum is σ = 22431960096. Its totient is φ = 5907024000.

The previous prime is 12311232509. The next prime is 12311232529. The reversal of 12311232524 is 42523211321.

It is a junction number, because it is equal to n+sod(n) for n = 12311232493 and 12311232502.

It is not an unprimeable number, because it can be changed into a prime (12311232529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605312 + ... + 625319.

It is an arithmetic number, because the mean of its divisors is an integer number (934665004).

Almost surely, 2^12311232524 is an apocalyptic number.

It is an amenable number.

12311232524 is a deficient number, since it is larger than the sum of its proper divisors (10120727572).

12311232524 is a wasteful number, since it uses less digits than its factorization.

12311232524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230737 (or 1230735 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

Adding to 12311232524 its reverse (42523211321), we get a palindrome (54834443845).

The spelling of 12311232524 in words is "twelve billion, three hundred eleven million, two hundred thirty-two thousand, five hundred twenty-four".